/**
* {@inheritdoc}
*/
public function load()
{
$entities = array();
// TODO: D8-port: get entity from proper core methods.
/* @var $entity EntityInterface */
$entity = $this->workflow_entity;
// N.B. This is a custom variable.
$field_name = workflow_url_get_field_name();
$entity_type = $entity->getEntityTypeId();
$entity_id = $entity->id();
// @todo D8-port: document $limit.
// @todo d8-port: $limit should be used in pager, not in load().
$this->limit = \Drupal::config('workflow.settings')->get('workflow_states_per_page');
$limit = $this->limit;
// Get Transitions with highest timestamp first.
$entities = WorkflowTransition::loadMultipleByProperties($entity_type, array($entity_id), [], $field_name, '', $limit, 'DESC');
return $entities;
}
/**
* {@inheritdoc}
*/
public function build()
{
$form = [];
// Get the entity for this form.
/* @var $entity EntityInterface */
if (!($entity = workflow_url_get_entity())) {
return $form;
}
// Get the field name. Avoid error on Node Add page.
if (!($field_name = workflow_get_field_name($entity))) {
return $form;
}
/*
* Output: generate the Transition Form.
*/
// Create a transition, to pass to the form. No need to use setValues().
$current_sid = workflow_node_current_state($entity, $field_name);
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
// Add the WorkflowTransitionForm to the page.
$form = $this->entityFormBuilder()->getForm($transition, 'add');
return $form;
}
/**
* Deactivate a Workflow State, moving existing content to a given State.
*
* @param int $new_sid
* The state ID, to which all affected entities must be moved.
*/
public function deactivate($new_sid)
{
$current_sid = $this->id();
$force = TRUE;
// Notify interested modules. We notify first to allow access to data before we zap it.
// - re-parents any entity that we don't want to orphan, whilst deactivating a State.
// - delete any lingering entity to state values.
// \Drupal::moduleHandler()->invokeAll('workflow', ['state delete', $current_sid, $new_sid, NULL, $force]);
// Invoke the hook.
\Drupal::moduleHandler()->invokeAll('entity_' . $this->getEntityTypeId() . '_predelete', array($this, $current_sid, $new_sid));
// Re-parent any entity that we don't want to orphan, whilst deactivating a State.
// TODO D8-port: State should not know about Transition: move this to Workflow->DeactivateState.
if ($new_sid) {
// A candidate for the batch API.
// @TODO: Future updates should seriously consider setting this with batch.
$user = \Drupal::currentUser();
// We can use global, since deactivate() is a UI-only function.
$comment = t('Previous state deleted');
foreach (_workflow_info_fields() as $field_name => $field_info) {
$entity = NULL;
$entity_type = $field_info->getTargetEntityTypeId();
$field_name = $field_info->getName();
$query = \Drupal::entityQuery($entity_type);
$query->condition($field_name, $current_sid, '=');
$result = $entity_type == 'comment' ? array() : $query->execute();
foreach ($result as $entity_id) {
$entity = \Drupal::entityManager()->getStorage($entity_type)->load($entity_id);
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
$transition->setValues($new_sid, $user->id(), REQUEST_TIME, $comment, TRUE);
$transition->force($force);
// Execute Transition, invoke 'pre' and 'post' events, save new state in Field-table, save also in workflow_transition_history.
// For Workflow Node, only {workflow_node} and {workflow_transition_history} are updated. For Field, also the Entity itself.
$new_sid = workflow_execute_transition($transition, $force);
}
}
}
// Delete the transitions this state is involved in.
$workflow = Workflow::load($this->wid);
foreach ($workflow->getTransitionsByStateId($current_sid, '') as $transition) {
$transition->delete();
}
foreach ($workflow->getTransitionsByStateId('', $current_sid) as $transition) {
$transition->delete();
}
// Delete the state. -- We don't actually delete, just deactivate.
// This is a matter up for some debate, to delete or not to delete, since this
// causes name conflicts for states. In the meantime, we just stick with what we know.
// If you really want to delete the states, use workflow_cleanup module, or delete().
$this->status = FALSE;
$this->save();
// Clear the cache.
self::loadMultiple([], 0, TRUE);
}
/**
* {@inheritdoc}
*/
public static function getPreviousStateId(EntityInterface $entity, $field_name = '')
{
$sid = '';
if (!$entity) {
return $sid;
}
// If $field_name is not known, yet, determine it.
$field_name = $field_name ? $field_name : workflow_get_field_name($entity, $field_name);
// If $field_name is found, get more details.
if (!$field_name) {
// Return the initial value.
return $sid;
}
if (isset($entity->original)) {
// A changed node.
workflow_debug(__FILE__, __FUNCTION__, __LINE__, $sid);
// @todo D8-port: still test this snippet.
}
// A node may not have a Workflow attached.
if ($entity->isNew()) {
// A new Node. D7: $is_new is not set when saving terms, etc.
$sid = self::getCreationStateId($entity, $field_name);
} elseif (!$sid) {
// @todo?: Read the history with an explicit langcode.
$langcode = '';
// $entity->language()->getId();
$entity_type = $entity->getEntityTypeId();
if ($last_transition = WorkflowTransition::loadByProperties($entity_type, $entity->id(), [], $field_name, $langcode, 'DESC')) {
$sid = $last_transition->getFromSid();
}
}
if (!$sid) {
// No history found on an existing entity.
$sid = self::getCreationStateId($entity, $field_name);
}
return $sid;
}
/**
* {@inheritdoc}
*
* Be careful: Widget may be shown in very different places. Test carefully!!
* - On a entity add/edit page
* - On a entity preview page
* - On a entity view page
* - On a entity 'workflow history' tab
* - On a comment display, in the comment history
* - On a comment form, below the comment history
*
* @todo D8: change "array $items" to "FieldInterface $items"
*/
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
{
$wid = $this->getFieldSetting('workflow_type');
if (!($workflow = Workflow::load($wid))) {
// @todo: add error message.
return $element;
}
/* @var $item \Drupal\workflowfield\Plugin\Field\FieldType\WorkflowItem */
$item = $items[$delta];
/* @var $field_config \Drupal\field\Entity\FieldConfig */
$field_config = $item->getFieldDefinition();
/* @var $field_storage \Drupal\field\Entity\FieldStorageConfig */
$field_storage = $field_config->getFieldStorageDefinition();
$field_name = $field_storage->get('field_name');
$entity = $item->getEntity();
$from_sid = workflow_node_current_state($entity, $field_name);
// Create a transition, to pass to the form. No need to use setValues().
/* @var $transition WorkflowTransition */
$transition = WorkflowTransition::create([$from_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
if (!$this->isDefaultValueWidget($form_state)) {
// Here, not the $element is added, but the entity form.
// Option 1: use the Element.
$element['#default_value'] = $transition;
$element += WorkflowTransitionElement::transitionElement($element, $form_state, $form);
// Option 2: use the Form, in order to get extra fields.
//$entity_form_builder = \Drupal::getContainer()->get('entity.form_builder');
//$element += $entity_form_builder->getForm($transition, 'add');
//// Remove the action button. The Entity itself has one.
//unset($element['actions']);
// Option 3: use the true Element.
// $form = $this->element($form, $form_state, $transition);
//$element['workflow_transition'] = array(
// '#type' => 'workflow_transition',
// '#title' => t('Workflow transition'),
// '#default_value' => $transition,
// );
} else {
// @todo D8: add a default value, so people can set a default comment.
// On the Field settings page, User may not set a default value
// (this is done by the Workflow module).
// @see WorkflowState::getOptions();
// @see WorkflowDefaultWidget::formElement();
$element = array();
return $element;
workflow_debug(__FILE__, __FUNCTION__, __LINE__, '', '');
// @todo D8-port: still test this snippet.
// @see workflowfield_form_field_config_edit_form_alter for other settings
// The Workflow field must have a value, so set to required.
// Unfortunately, we need hook_form_alter for this.
//$form['required']['#default_value'] = 1;
//$form['required']['#disabled'] = TRUE;
// Explicitly set default value to 'creation' and show element,
// so people can set a default comment.
$transition->to_sid = $workflow->getCreationSid();
$transition->setExecuted(TRUE);
// @TODO D8-port: use a proper WorkflowTransitionElement call.
$element['#default_value'] = $transition;
$element += WorkflowTransitionElement::transitionElement($element, $form_state, $form);
// No action buttons on default field settings page.
// This is evaluated in hook_form_alter.
_workflow_use_action_buttons(FALSE);
// Make sure the options box is not hidden (when action buttons active).
//$element['to_sid']['#type'] = 'select';
$element['to_sid']['#title'] = 'Initial state';
$element['to_sid']['#access'] = TRUE;
unset($element['workflow_current_state']);
return $element;
}
return $element;
}
/**
* Prepares a transition to be reverted.
*
* @param \Drupal\workflow\Entity\WorkflowTransitionInterface $transition
* The transition to be reverted.
*
* @return \Drupal\workflow\Entity\WorkflowTransitionInterface
* The prepared transition ready to be stored.
*/
protected function prepareRevertedTransition(WorkflowTransitionInterface $transition)
{
$user = \Drupal::currentUser();
$entity = $transition->getTargetEntity();
$field_name = $transition->getFieldName();
$current_sid = workflow_node_current_state($entity, $field_name);
$previous_sid = $transition->getFromSid();
$comment = t('State reverted.');
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
$transition->setValues($previous_sid, $user->id(), REQUEST_TIME, $comment);
return $transition;
}
/**
* @return WorkflowTransitionInterface
*/
protected function getTransitionForExecution(EntityInterface $entity)
{
$user = workflow_current_user();
if (!$entity) {
\Drupal::logger('workflow_action')->notice('Unable to get current entity - entity is not defined.', []);
return NULL;
}
// Get the entity type and numeric ID.
$entity_id = $entity->id();
if (!$entity_id) {
\Drupal::logger('workflow_action')->notice('Unable to get current entity ID - entity is not yet saved.', []);
return NULL;
}
// In 'after saving new content', the node is already saved. Avoid second insert.
// Todo: clone?
$entity->enforceIsNew(FALSE);
$config = $this->configuration;
$field_name = workflow_get_field_name($entity, $config['field_name']);
$current_sid = workflow_node_current_state($entity, $field_name);
if (!$current_sid) {
\Drupal::logger('workflow_action')->notice('Unable to get current workflow state of entity %id.', array('%id' => $entity_id));
return NULL;
}
$to_sid = isset($config['to_sid']) ? $config['to_sid'] : '';
// Get the Comment. Parse the $comment variables.
$comment_string = $this->configuration['comment'];
$comment = t($comment_string, array('%title' => $entity->label(), '%state' => workflow_get_sid_name($to_sid), '%user' => $user->getUsername()));
$force = $this->configuration['force'];
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
$transition->setValues($to_sid, $user->id(), REQUEST_TIME, $comment);
$transition->force($force);
return $transition;
}
/**
* Generates an overview table of older revisions of a node,
* but only if this::historyAccess() allows it.
*
* @param \Drupal\node\NodeInterface $node
* A node object.
*
* @return array
* An array as expected by drupal_render().
*/
public function historyOverview(EntityInterface $node = NULL)
{
$form = array();
/*
* Get data from parameters.
*/
// TODO D8-port: make Workflow History tab happen for every entity_type.
// For workflow_tab_page with multiple workflows, use a separate view. See [#2217291].
// @see workflow.routing.yml, workflow.links.task.yml, WorkflowTransitionListController.
// workflow_debug(__FILE__, __FUNCTION__, __LINE__); // @todo D8-port: still test this snippet.
// ATM it only works for Nodes and Terms.
// This is a hack. The Route should always pass an object.
// On view tab, $entity is object,
// On workflow tab, $entity is id().
// Get the entity for this form.
if (!($entity = workflow_url_get_entity($node))) {
return $form;
}
/*
* Get derived data from parameters.
*/
if (!($field_name = workflow_get_field_name($entity, workflow_url_get_field_name()))) {
return $form;
}
/*
* Step 1: generate the Transition Form.
*/
// Create a transition, to pass to the form. No need to use setValues().
$current_sid = workflow_node_current_state($entity, $field_name);
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
// Add the WorkflowTransitionForm to the page.
$form = $this->entityFormBuilder()->getForm($transition, 'add');
/*
* Step 2: generate the Transition History List.
*/
$entity_type = 'workflow_transition';
// $form = $this->listing('workflow_transition');
$list_builder = $this->entityManager()->getListBuilder($entity_type);
// Add the Node explicitly, since $list_builder expects a Transition.
$list_builder->workflow_entity = $entity;
$form += $list_builder->render();
/*
* Finally: sort the elements (overriding their weight).
*/
// $form['#weight'] = 10;
$form['actions']['#weight'] = 100;
$form['workflow_list_title']['#weight'] = 200;
$form['table']['#weight'] = 201;
return $form;
}
/**
* Define the fields. Modify the parent fields.
* {@inheritdoc}
*/
public static function baseFieldDefinitions(EntityTypeInterface $entity_type)
{
$fields = array();
// Add the specific ID-field : tid vs. hid.
$fields['tid'] = BaseFieldDefinition::create('integer')->setLabel(t('Transition ID'))->setDescription(t('The transition ID.'))->setReadOnly(TRUE)->setSetting('unsigned', TRUE);
// Get the rest of the fields.
$fields += parent::baseFieldDefinitions($entity_type);
// The timestamp has a different description.
$fields['timestamp'] = [];
// Reset old value.
$fields['timestamp'] = BaseFieldDefinition::create('created')->setLabel(t('Scheduled'))->setDescription(t('The date+time this transition is scheduled for.'))->setQueryable(FALSE)->setRevisionable(TRUE);
// Remove the specific ID-field : tid vs. hid.
unset($fields['hid']);
return $fields;
}
/**
* {@inheritdoc}
*
* N.B. A large part of this function is taken from CommentDefaultFormatter.
*/
public function viewElements(FieldItemListInterface $items, $langcode)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$entity_type = $entity->getEntityTypeId();
$status = $items->status;
$workflow_settings = $this->getFieldSettings();
$user = \Drupal::currentUser();
// @todo #2287057: OK?
// @todo: Perhaps global user is not always the correct user.
// E.g., on ScheduledTransition->execute()? But this function is mostly used in UI.
$current_sid = WorkflowManager::getCurrentStateId($entity, $field_name);
/* @var $current_state WorkflowState */
$current_state = WorkflowState::load($current_sid);
// First compose the current value with the normal formatter from list.module.
$elements = workflow_state_formatter($entity, $field_name, $current_sid);
// The state must not be deleted, or corrupted.
if (!$current_state) {
return $elements;
}
// Check permission, so that even with state change rights,
// the form can be suppressed from the entity view (#1893724).
$type_id = $current_state->getWorkflowId();
if (!\Drupal::currentUser()->hasPermission("access {$type_id} workflow_transition form")) {
return $elements;
}
// Workflows are added to the search results and search index by
// workflow_node_update_index() instead of by this formatter, so don't
// return anything if the view mode is search_index or search_result.
if (in_array($this->viewMode, array('search_result', 'search_index'))) {
return $elements;
}
if ($entity_type == 'comment') {
// No Workflow form allowed on a comment display.
// (Also, this avoids a lot of error messages.)
return $elements;
}
// Only build form if user has possible target state(s).
if (!$current_state->showWidget($entity, $field_name, $user, FALSE)) {
return $elements;
}
// Create a transition, to pass to the form. No need to use setValues().
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
// Remove the default formatter. We are now building the widget.
$elements = array();
// BEGIN Copy from CommentDefaultFormatter
$elements['#cache']['contexts'][] = 'user.permissions';
$output['workflows'] = [];
// Add the WorkflowTransitionForm to the page.
// $build = $this->viewBuilder->viewMultiple($workflows);
$build = $this->entityFormBuilder()->getForm($transition, 'add');
$output['workflows'] += $build;
// Only show the add workflow form if the user has permission.
$elements['#cache']['contexts'][] = 'user.roles';
// Do not show the form for the print view mode.
$elements[] = $output + array('#workflow_type' => $this->getFieldSetting('workflow_type'), '#workflow_display_mode' => $this->getFieldSetting('default_mode'), 'workflows' => array());
// END Copy from CommentDefaultFormatter
return $elements;
}
